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Professional Tankless Water Heater Replacement in Laguna Hills, California - Continuous Hot Water On Demand

Upgrade your home with a high-efficiency tankless water heater that delivers unlimited hot water, saves energy, and lasts for decades

Call (714) 464-7889, or:

Elder & Young Plumbing

Elder & Young Plumbing

Tired of running out of hot water halfway through a shower?. Or maybe your old tank water heater is leaking, inefficient, or costing you too much to run. Upgrade today to a tankless water heater and experience nonstop comfort and efficiency.

We’re your local experts for professional tankless water heater installation in Laguna Hills, California. Every installation is handled by licensed experts using best-in-class products from brands you can trust, such as Rinnai, Navien, and Noritz.

With tankless water heaters, you’ll enjoy continuous hot water on demand and improved efficiency that can reduce your utility costs significantly. They save space, reduce maintenance needs, and outlast traditional tank-style heaters by years.

From replacements to new installations, our team handles everything quickly, cleanly, and with guaranteed results.

Call (714) 464-7889 or Book Online now for a free estimate and expert installation.

Why Homeowners Across Laguna Hills Prefer Tankless Water Heaters Over Traditional Systems

Advanced efficiency, improved comfort, and serious long-term savings

Today’s tankless water heaters are not a luxury item, they’re the smart choice for efficiency and comfort. Unlike traditional tanks that keep reheating water all day, tankless units heat only what you need, when you need it.

Why so many homeowners are choosing to install or replace their old units with tankless systems.

  • Continuous Hot Water Supply – Hot water on demand, no matter how many showers or loads of laundry you run
  • Energy Efficiency – Reduce monthly costs with on-demand heating and improved energy efficiency
  • Compact Design – Tankless units take up a fraction of the space of old tank water heaters
  • Long Lifespan – Lasts 20 years or more with proper care and maintenance
  • Healthier Water Quality – Tankless systems eliminate stagnant water and mineral buildup
  • Eco-Friendly – Lower energy use means a smaller carbon footprint and cleaner operation

Whether your current water heater is leaking, slow to heat, or simply outdated, our expert team can install a modern tankless system that fits your home perfectly.

If you’d rather stick with a standard tank model, we can take care of that for you.

Current Special Offers

FREE Water Pressure Check

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Expires: Oct 27, 2025

$50 Off Plumbing Repairs Over $500

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Expires: Oct 27, 2025

$25 OFF Leak Detection

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Expires: Oct 27, 2025
Water Heater Repair and Replacement

$50 OFF Water Heater Installation/Replacement

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Expires: Oct 27, 2025
Water Heater Repair and Replacement

$75 OFF Tankless Water Heater Installation

Get Offer Now!

Expires: Oct 27, 2025

Reach out to us at (714) 464-7889 now to set up your Copper Repipe in Laguna Hills, California. We'll be there to help quickly!

Learn the signs it’s time to upgrade and the instant advantages you’ll enjoy

It may be time to replace or upgrade your tankless water heater if you’re experiencing.

  • Hot water that turns cold mid-shower or changes temperature suddenly
  • Signs of moisture or corrosion at the base of your current heater
  • Old tank-style heater nearing 10 to 12 years old
  • Slow hot water delivery or limited capacity
  • Higher utility bills without an increase in usage
  • You’re remodeling or adding a bathroom
  • You’re ready to switch from inefficient tank systems

Every installation begins with a full inspection of your home’s plumbing, gas, and vent systems to guarantee a safe, compliant fit.

We’ll also help you choose the right unit size for your household’s hot water needs.

When the new system is installed, we run full performance checks and make sure you know how to use it efficiently.

You’ll enjoy endless hot water and worry-free comfort every day.

More Frequently Asked Questions

Do you replace tank models with tankless

Yes. We convert from tank to tankless, upgrade gas lines if required, add proper venting, and handle permits and haul away.

What brands do you install

We service and replace most major brands – Navien, Noritz, Rinnai, Takagi, Rheem, AO Smith. We recommend models based on your home, water quality, and budget.

Will my gas line need to be upsized

Sometimes. We measure gas demand for your appliances and confirm venting and combustion air. If an upgrade is needed, we handle it the right way so performance is never compromised.

How long does a replacement take

Straight swaps can be completed in a few hours. Tank to tankless conversions often finish the same day, depending on venting path and gas line work.

What size tankless do I need

We calculate flow rate and temperature rise based on your fixtures and usage patterns. The goal is simple – hot showers and laundry at the same time without dropouts.

Do you offer water treatment to protect my new unit

Yes. Hard water is common in Orange County. We can add a scale reduction filter or softener to extend the life of your heat exchanger and maintain efficiency.

Our Hot Water Guarantee

Your tankless water heater will be installed or replaced to the highest standard, tested for perfect operation, and guaranteed to function properly. If your new system fails due to our workmanship, we will return promptly, fix the issue, and cover all labor and materials at our expense during our workmanship warranty period. No cold showers, no hidden costs - just reliable, efficient hot water you can trust.

Reach out to us at (714) 464-7889 now to set up your Copper Repipe in Laguna Hills, California. We'll be there to help quickly!

CUSTOMER RATINGS & REVIEWS

Don't take our word for it. Here are some recent reviews shared by satisfied customers. After we help you, we'd love to get a rating and review from you and add you to this list!

Chårlene Låsiter

Chårlene Låsiter

Garden Grove, CA

"Eric is a very hard worker. He's honest, efficient and clean. Most importantly, he handled our plumbing projects and made sure the job is done right. GREAT MAN!"

john_kirker

John Kirker

Tustin, CA

"I highly recommend Elder & Young Plumbing as my top rated choice. We punctured a pipe during a remodel. E&Y was out in a jiffy to solve the problem so that we could continue our project."

tyler_w

Tyler W.

Newport Beach, CA

"A pleasure to find a friendly professional that has your safety and well being in mind for the water heater.  Advises what needs attention and what can wait!"

How can we help you get the job done right?

We love helping our clients and we're here to help you with your plumbing needs, 24/7. We want to be there for all of your plumbing problems no matter what time it is! We know that everyone deserves peace of mind when they call someone in for work around their home or business property so don't hesitate any longer before picking up the phone and giving us a call - let's get started right away!